ICP DAS, MDC-211-WF user manual , v1.1 Page
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4.1.2.
Serial Port Communication Interface
◆
Parameter description
Table 4.3 below is the descriptions for the Serial port parameters and setting notes.
Table 4.3 Serial port related parameter descriptions
Project
Description
Note
Baud Rate
Communication
Baud rate
Support eight kinds of communication baud rate -
115200 / 57600 / 38400 / 19200 / 9600 / 4800 / 2400 /
1200 bps
Please set the same as the Modbus RTU device
Data Format
Communication
Data format
Support five kinds of parity check codes - None / Odd
/ Even / Mark / Space
Supports 7/8 data bit
Support 0/1/2 stop bit
Set the same with the connected Modbus RTU device
Inter-character
Timeout
Timeout for
ending
command
reception
Valid range is 1.5 to 10 character-time
The default is the standard Modbus communication
protocol 3.5 character time, the user can adjust
according to the requirement
◆
Set Example
Table 4.4 shows a setting example to set the RS-485 of MDC-211-WF as a Modbus
Master, and the recommend parameter values for the Serial port.
Table 4.4 MDC-211-WF and M-7000/PLC setting example
Project
MDC-211-WF
M-7017
M-7060
PLC
Baud Rate
115200
Data Format
N,8,1
Inter-character Timeout
3.5
N/A
N/A
N/A